共查询到20条相似文献,搜索用时 46 毫秒
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Tadao Atsumi Mariko Nagayoshi Hiroko Anzai Yoji Ikawa 《Development, growth & differentiation》1995,37(2):167-172
Embryonic stem (ES) cells effectively differentiated into primitive erythroid/mesodermal cells when grown in the absence of both a feeder layer and leukemia inhibitory factor (LIF). The formation of a three-dimensional structure, exogenous mesoderm induction factors and exogenous hematopoietic growth factors were not essential for their differentiation. Primitive erythroid cells were first detected on day 5 in the differentiation-permissive cultures. Differentiation into other mesodermal cells was always preceded by that into primitive erythroid cells. Precursor cells of erythroid cells but of other hematoid cells were also detected in this system. This model system is useful for studying the early steps of mesoderm formation in mouse embryogenesis. 相似文献
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Torrano V Chernukhin I Docquier F D'Arcy V León J Klenova E Delgado MD 《The Journal of biological chemistry》2005,280(30):28152-28161
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The zebrafish moonshine gene encodes transcriptional intermediary factor 1gamma, an essential regulator of hematopoiesis
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Ransom DG Bahary N Niss K Traver D Burns C Trede NS Paffett-Lugassy N Saganic WJ Lim CA Hersey C Zhou Y Barut BA Lin S Kingsley PD Palis J Orkin SH Zon LI 《PLoS biology》2004,2(8):E237
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Clonal analysis of differentiating embryonic stem cells reveals a hematopoietic progenitor with primitive erythroid and adult lymphoid-myeloid potential. 总被引:12,自引:0,他引:12
Embryonic stem (ES) cells differentiate into multiple hematopoietic lineages during embryoid body formation in vitro, but to date, an ES-derived hematopoietic stem cell has not been identified and subjected to clonal analysis in a manner comparable with hematopoietic stem cells from adult bone marrow. As the chronic myeloid leukemia-associated BCR/ABL oncogene endows the adult hematopoietic stem cell with clonal dominance without inhibiting pluripotent lymphoid and myeloid differentiation, we have used BCR/ABL as a tool to enable engraftment and clonal analysis. We show that embryoid body-derived hematopoietic progenitors expressing BCR/ABL maintain a primitive hematopoietic blast stage of differentiation and generate only primitive erythroid cell types in vitro. These cells can be cloned, and when injected into irradiated adult mice, they differentiate into multiple myeloid cell types as well as T and B lymphocytes. While the injected cells express embryonic (beta-H1) globin, donor-derived erythroid cells in the recipient express only adult (beta-major) globin, suggesting that these cells undergo globin gene switching and developmental maturation in vivo. These data demonstrate that an embryonic hematopoietic stem cell arises in vitro during ES cell differentiation that constitutes a common progenitor for embryonic erythroid and definitive lymphoid-myeloid hematopoiesis. 相似文献
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